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A261667 Dimension of a certain space of duality relations arising in study of q-analogs of multiple zeta values. 0
0, 0, 0, 0, 1, 2, 6, 12, 25, 48, 90 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,6

LINKS

Table of n, a(n) for n=2..12.

Jianqiang Zhao, Uniform Approach to Double Shuffle and Duality Relations of Various q-Analogs of Multiple Zeta Values via Rota-Baxter Algebras, arXiv preprint arXiv:1412.8044 [math.NT], 2014. See Table 9, line 3.

FORMULA

It appears that a(n) = A000071(n) - A261666(n). - Michel Marcus, Sep 05 2015

Empirical g.f.: -x^6*(x^9 -x^2 -1) / ((x -1)*(x^2 +x -1)*(x^14 +x^13 +x^12 +x^11 +x^10 +x^9 +x^8 -x^5 -x^4 -x^3 -x^2 +1)). - Colin Barker, Sep 14 2015

CROSSREFS

Sequence in context: A304710 A137829 A262196 * A116562 A045925 A128020

Adjacent sequences:  A261664 A261665 A261666 * A261668 A261669 A261670

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 02 2015

STATUS

approved

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Last modified November 11 18:50 EST 2019. Contains 329031 sequences. (Running on oeis4.)